Laxative



Patented May 25, 1926. I i

UNITED STATES PATENT OFFICE.

EMIL IMPENS, OF VOHWINIKELGERMAJNY, ASSIGNOR TO WIN'IHROP CHEMICAL COMPANY, I1 TC., OF NEW YORK, N. Y.

LAXATIVE.

No Drawing. Application filed May 15, 1925. Serial No. 30,618.

It has been found that the laxative ac gether with 200 parts by weight of mag tion of the 1.8-dihydroxyanthraquinone can uesium carbonate and from this mixture be considerably increased by the admixture tablets are pressed. The yellowish white gf a small amount of magnesium cartablets assume a red coloration, caused by 5 onate. I

It is surprising that even a relatively I claim small amount of this product suifices to con- 1. The process for preparing laxatives, siderably increase the laxative action. A which process consists in mixing 1.8-dihy mixture of 0.1 gram of 1.8-dihydroxydroxyanthraquinone with magnesium car- 10 anthraquinone and 0.2 gram of magnesium bonate. 30

carbonate has the same laxative action as 2. As a new article of manufacture a laxadoses of 0.2-0.3 gram of the LS-dihydroxytive being a mixture of 1.8-hydroxyanthraanthraquinone. This reduction of the dosis quinone with magnesium carbonate.

is very important for the use of such laxa- 3. As a new article of manufacture a 15 tives for sensitive persons and it means savlaxative tablet comprising 1.8-dihydroxying costs in veterinary medicine. anthraquinone and magnesium carbonate.

In order to illustrate my invention more In testimony whereof I have hereunto fully, I give the following example set my hand.

Ewample.100 parts by weight of 1.8 v 20 dihydroxyanthraquinone are ground to EMIL IMPENS.

the formation of the magnesium lake. 25. 

